587_Dynamics 11ed Manual

587_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 17 d 1 2 a G t 2 = d 1.398 in = Problem 17-109 The circular plate of weight W is suspended from a pin at A . If the pin is connected to a track which is given acceleration a A , determine the horizontal and vertical components of reaction at A and the acceleration of the plate’s mass center G . The plate is originally at rest. Given: W 15 lb = a A 3 ft s 2 = r 2f t = g 32.2 ft s 2 = Solution: Guesses a Gx 1 ft s 2 = α 1 rad s 2 = A x 1lb = A y 1lb = Given A x W g a Gx = A y W 0 = A x r 1 2 W g r α = a α r + a A = a α A x A y Find a α , A x , A y , () = A x A y 0.466 15.000
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